/**
 * #      1382
 * 名称   将二叉搜索树变平衡
 * 链接   https://leetcode-cn.com/problems/balance-a-binary-search-tree
 * 题解   [133](https://leetcode-cn.com/problems/balance-a-binary-search-tree/solution)
 * 通过率 68.6%
 * 难道   中等
 */

